Of course, no weather forecast can be made with complete accuracy. The City of Austin writes its "decisions about … delays and closures are made based on the best available information that officials have at the time." AISD writes that if it has "compelling information" about inclement weather, it will issue a decision before 9 p.m; otherwise, its next decision point comes at 6 a.m.

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Update : As Austin's winter weather advisory is set to expire, Austin roads are all clear. ( See an interactive map from TxDOT .) The National Weather Service says Saturday morning will be mostly cloudy, but skies clear and grow sunny during the afternoon. Warm winds will bring highs to up into the low 70s Saturday afternoon.